Dear Ran,

If you are talking about the transmission of electrons in the presence of Phonons, you can express the Green's function in a self consistent way in a certain approximation.

I suggest for you the following reference:

A. Cresti, G. Grosso, and G. Pastori Parravicini, J. Phys.: Condens. Matter 18, 10059 (2005).

I hope this helps

Adel

On Thu, Jul 9, 2020 at 2:22 PM Ran Mutc <mutc1r2595@gmail.com> wrote:

Dear Kwant developers,

I wonder whether it is possible to calculate phonon transmission via NEGF formalism in Kwant.

For example within the force constant model, is it possible to construct the dynamical matrix and calculate phonon self energies via surface Green's functions?

Or do you recommend any other way to implement the phonon transmission in Kwant?

Best,
Ran